This kind of sarcogent gold is definitely not made of stone gold. The reason why this is said, the main reason is that the sand is the sand, the stone is the stone is completely two different concepts, the sand can not form the stone, the stone will not become the sand, so this kind of sand gold is the gold prospectors put the sand in the dustpan washed by water.
The sand gold is placed in a dustpan by the gold prospectors and washed out repeatedly with the river water